Plate P22. Diatoms from rise site: Coscinodiscus and Thalassiosira. 1. Coscinodiscus sp. cf. Coscinodiscus radiatus (Sample 178-1095B-43X-2, 64-65 cm). 2. Thalassiosira sp. 2.105 (Sample 178-1095B-12H-4, 41-42 cm). 3. Coscinodiscus elegans (Sample 178-1095B-13H-4, 120-121 cm). 4. Coscinodiscus sp. A sensu Akiba, 1986 (Sample 178-1095B-22X-1, 92-94 cm). 5. Thalassiosira spp. (Sample 178-1095B-43X-2, 64-65 cm). 6.Thalassiosira sp. cf. Thalassiosira gersondei (Sample 178-1095A-10H-7, 14.5-15.5 cm). 7. Thalassiosira gersondei (Sample 178-1095B-36X-4, 8-10 cm). 8. Thalassiosira spp. (Sample 178-1095B-30X-6, 25-26 cm).